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https://issues.apache.org/jira/browse/ZOOKEEPER-1520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bill Bridge updated ZOOKEEPER-1520:
-----------------------------------
Attachment: ZOOKEEPER-1520.patch
I have attached a patch to throw an error if the sentinel byte is
corrupt.Please review.
> A txn log record with a corrupt sentinel byte looks like EOF
> ------------------------------------------------------------
>
> Key: ZOOKEEPER-1520
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1520
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.3.5
> Environment: all
> Reporter: Bill Bridge
> Priority: Minor
> Labels: newbie
> Attachments: ant.out, checkout.out, init.out, init.out,
> ZOOKEEPER-1520.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> In Util.readTxnBytes() the sentinel is compared with 0x42 and if it does not
> match then the record is considered partially written and thus the EOF.
> However if it is a partial record the sentinel should be 0x00 since that is
> what the log is initialized with. Any other value would indicate corruption
> and should throw an IOException rather than indicate EOF. See
> [ZOOKEEPER-1453|https://issues.apache.org/jira/browse/ZOOKEEPER-1453] for a
> related issue.
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